Where: Kansas (39.3° N, 99.6° W: paleocoordinates 42.0° N, 65.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Smoky Hill Chalk Member (Niobrara Formation), Late/Upper Coniacian to Late/Upper Coniacian (89.3 - 83.5 Ma)

• lower part of member

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithology not reported

Size class: macrofossils

Collected by S. W. Williston in 1876

Primary reference: O. C. Marsh. 1881. Note on American pterodactyls. American Journal of Science 31:342-343 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93388: authorized by Richard Butler, entered by Richard Butler on 17.01.2010

Creative Commons license: CC BY (attribution)